Analysis Overview
SHA256
467d7ac0d5e883c09d328274b5a76fc3d37568a5f41172cad51fa73af3abfcf4
Threat Level: Known bad
The file 20240522d248ec99923cd5cff34de14796f8201bstop was found to be: Known bad.
Malicious Activity Summary
Detected Djvu ransomware
Djvu family
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-05-22 18:10
Signatures
Detected Djvu ransomware
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Djvu family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-22 18:10
Reported
2024-05-22 18:13
Platform
win7-20240508-en
Max time kernel
118s
Max time network
119s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\20240522d248ec99923cd5cff34de14796f8201bstop.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 616 wrote to memory of 1512 | N/A | C:\Users\Admin\AppData\Local\Temp\20240522d248ec99923cd5cff34de14796f8201bstop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 616 wrote to memory of 1512 | N/A | C:\Users\Admin\AppData\Local\Temp\20240522d248ec99923cd5cff34de14796f8201bstop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 616 wrote to memory of 1512 | N/A | C:\Users\Admin\AppData\Local\Temp\20240522d248ec99923cd5cff34de14796f8201bstop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 616 wrote to memory of 1512 | N/A | C:\Users\Admin\AppData\Local\Temp\20240522d248ec99923cd5cff34de14796f8201bstop.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\20240522d248ec99923cd5cff34de14796f8201bstop.exe
"C:\Users\Admin\AppData\Local\Temp\20240522d248ec99923cd5cff34de14796f8201bstop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 616 -s 196
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-22 18:10
Reported
2024-05-22 18:13
Platform
win10v2004-20240426-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\20240522d248ec99923cd5cff34de14796f8201bstop.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\20240522d248ec99923cd5cff34de14796f8201bstop.exe
"C:\Users\Admin\AppData\Local\Temp\20240522d248ec99923cd5cff34de14796f8201bstop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 768 -ip 768
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 768 -s 568
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.155:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 203.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 155.61.62.23.in-addr.arpa | udp |
| NL | 23.62.61.155:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | udp |